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01. Atmosphere::01.02. Ionosphere::01.02.02. Dynamics
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01. Atmosphere::01.02. Ionosphere::01.02.06. Instruments and techniques
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01. Atmosphere::01.02. Ionosphere::01.02.07. Scintillations
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Chronicles
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Cronache
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Medioevo
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Middle Ages
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Samalas
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dendrochronology
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dendrocronologia
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ionosfera polare
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ionosonda
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osservazioni in Artide e Antartide
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scintillazioni ionosferiche
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volcano
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vulcano
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